Dpt. of ORL, Ankara University Medical School Ankara, Turkey Dpt. of ORL, Salzburg Paracelsus Medical University Salzburg, Austria

Dpt. of ORL-HNS, Copenhagen University Hospital Rigshospitalet Copenhagen, Denmark

Head of Dpt. of ORL-HNS, 1st Faculty of Medicine, Charles University. Motol University Hospital Prague, Czech Republic

Dpt. of Otolaryngology – HNS, Leiden University Medical Centre Leiden, The Netherlands

Dpt. of ORL-HNS, Comenius University, University Hospital Bratislava, Slovakia

Head - Referral Center of Pediatric ORL Ministry of Health. Dpt. of ORL-HNS Sisters of Mercy University Medical Center Zagreb, Croatia

Limerick, Ireland

Chairman EBEORL-HNS Risskov, Denmark

Full professor Dpt. of Neurosciences -DNS - University of Padua. Director of the Unit of ORL-HNS, Padua University Hospital Padua, Italy

Dpt. of ORL, Klinikum Klagenfurt a. W Klagenfurt a.W., Austria

University of Valencia Medical School, Valencia, Spain

Director Voice and Swallowing Center, Dpt. of ORL-HNS, CHL-Eich, Luxembourg